Several methods for measuring Raman gain coefficient in optical fibers,such as on-off method, pulse-scan technique and single light source measurement method,are presented in detail in the aspects of operation principle and experiment equipment.
从测量原理和实验装置上详细介绍了当前几种测量光纤喇曼增益系数的方法:开关法、脉冲扫描法和单光源测量法,并从泵浦源输出功率、可测喇曼频移、实验装置的复杂性等几个方面分析了几种测量方法的优缺点以及适用的范围,为以后选取恰当的测量方法提供了依据。
range-sweep gate generator
距离扫描脉冲发生器
single-channel scanning pulse analyzer
单通道扫描脉冲分析仪
Sensitivity equation of scannerless pulse imaging lidar
非扫描脉冲成像激光雷达灵敏度方程
Effects of Laser Pulse Frequency and Scanning Mode on Welding Quality in Soldering by Fiber Laser
脉冲频率及扫描方式对光纤激光软钎焊的影响
The monopulse direction-finding of compare-breadth technology based on double wavebeams is introduced.
介绍一种基于双波束单脉冲电扫描比幅的测向技术。
Analysis on Bistatic Radar Target Resolution under Pulse-Pursue Module Synchronization Scanning
脉冲追赶式同步扫描下双基地雷达目标分辨力分析
automatic film processor for scanner film
扫描胶片自动冲洗机
3D laser scanners capture highly accurate and detailed surface measurements by transmitting optical pulses that are reflected from the surface or feature.
三维激光扫描仪捕获高度准确而详细的地面测量发射光脉冲所反映,从表面或特征.
Design about Amplitude Measuring System for High Frequency Short Pulse of Laser Z-Scan Based on High Speed Parallel A/D Conversion
一种基于高速并行A/D转换的激光Z扫描的高频窄脉冲信号幅值测量系统的设计
Virtual Design on 3D Scanning Fast-inspection System for Stamping Parts;
冲压件3D扫描快速检测系统虚拟设计
arterial velocity scanner
超音波血流测验机〔动脉扫描〕
STUDY ON THE DIAGNOSIS OF PULMONARY EMBOLISM BY 64-DETECTOR SPIRAL CT PULMONARY ANGIOGRAPHY
64排螺旋CT肺动脉造影肺动脉栓塞扫描研究
Comparative study on TDC of pulmonary artery and aorta with 64-slice enhanced CT scanning
64层CT肺动脉与主动脉增强扫描TDC的对比研究
Diagnosis of Renal Artery, Abdominal Aorta, Iliac with Contrast Enhanced MRA Bolus Tracking;
MRA血管追踪扫描诊断肾动脉、腹主动脉、髂动脉疾病的价值
The fracture of K1 c and impact specimens were observed by SEM.
通过扫描电镜观察了断裂韧性和冲击试样断口。
The Compared Study about Showing AVF of the Liver in Helical CT and DSA;
肝脏动静脉瘘的螺旋CT增强扫描与DSA对照研究
Optimization of scanning parameters in dual-source computer tomography angiography on carotid
双源CT颈动脉成像扫描参数的优化研究
Application Value of Intravenous Indwelling Needle in Enhancement CT Scanning
静脉留置针在CT增强扫描中的应用价值探讨